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[src-draft/trunk]: src/sys/dev/usb Introduce sleep states and power control.
details: https://anonhg.NetBSD.org/src-all/rev/03f5c5e223ce
branches: trunk
changeset: 375247:03f5c5e223ce
user: Nathanial Sloss <nat%netbsd.org@localhost>
date: Fri Aug 05 23:29:29 2022 +1000
description:
Introduce sleep states and power control.
diffstat:
sys/dev/usb/if_urtwn.c | 55 +++++++++++++++++++++++++++++++++++++++++++++++--
1 files changed, 52 insertions(+), 3 deletions(-)
diffs (115 lines):
diff -r a79a85e7126e -r 03f5c5e223ce sys/dev/usb/if_urtwn.c
--- a/sys/dev/usb/if_urtwn.c Sat Jul 23 23:24:13 2022 +1000
+++ b/sys/dev/usb/if_urtwn.c Fri Aug 05 23:29:29 2022 +1000
@@ -348,6 +348,7 @@ static void urtwn_scan_end(struct ieee80
static void urtwn_set_channel(struct ieee80211com *);
static void urtwn_update_mcast(struct ieee80211com *);
+static void power_control(struct urtwn_softc *, bool);
/* Aliases. */
#define urtwn_bb_write urtwn_write_4
#define urtwn_bb_read urtwn_read_4
@@ -511,6 +512,7 @@ urtwn_attach( device_t parent, device_t
IEEE80211_C_SHPREAMBLE | /* Short preamble supported. */
IEEE80211_C_SHSLOT | /* Short slot time supported. */
IEEE80211_C_BGSCAN | /* capable of bg scanning */
+ IEEE80211_C_SWSLEEP| /* handle sleeps */
IEEE80211_C_WME | /* 802.11e */
IEEE80211_C_WPA; /* 802.11i */
@@ -1653,6 +1655,39 @@ urtwn_calib_to_cb(struct urtwn_softc *sc
}
static void
+power_control(struct urtwn_softc *sc, bool lowpower)
+{
+
+ if (!ISSET(sc->chip, URTWN_CHIP_92C)) {
+ struct r92e_fw_cmd_setpwrmode cmd;
+ memset(&cmd, 0, sizeof cmd);
+ if (lowpower) {
+ cmd.mode = FWMODE_LOW_POWER;
+ cmd.smartps = SRTPS_LOW_POWER;
+ cmd.pwr_state = PS_RFON;
+ } else {
+ cmd.mode = FWMODE_ACTIVE;
+ cmd.smartps = SRTPS_LOW_POWER;
+ }
+ cmd.awake_int = 1;
+ urtwn_fw_cmd(sc, R92E_CMD_SET_PWRMODE, &cmd, sizeof(cmd));
+ } else {
+ struct r92c_fw_cmd_setpwrmode cmd;
+ memset(&cmd, 0, sizeof cmd);
+ if (lowpower) {
+ cmd.mode = FWMODE_LOW_POWER;
+ cmd.smartps = SRTPS_LOW_POWER;
+ } else {
+ cmd.mode = FWMODE_ACTIVE;
+ cmd.smartps = SRTPS_LOW_POWER;
+ }
+ cmd.bcn_time = 0;
+ urtwn_fw_cmd(sc, R92C_CMD_SET_PWRMODE, &cmd, sizeof(cmd));
+ }
+ urtwn_delay_ms(sc, 200);
+}
+
+static void
urtwn_newassoc(struct ieee80211_node *ni, int isnew)
{
URTWNHIST_FUNC();
@@ -1714,7 +1749,7 @@ urtwn_newstate(struct ieee80211vap *vap,
break;
case IEEE80211_S_RUN:
- if (nstate == IEEE80211_S_RUN)
+ if (nstate == IEEE80211_S_RUN || nstate == IEEE80211_S_SLEEP)
break;
/* Turn link LED off. */
urtwn_set_led(sc, URTWN_LED_LINK, 0);
@@ -1755,9 +1790,13 @@ urtwn_newstate(struct ieee80211vap *vap,
/* flush all cam entries */
urtwn_cam_init(sc);
break;
+ case IEEE80211_S_SLEEP:
+ if (nstate == IEEE80211_S_SLEEP)
+ break;
+ power_control(sc, false);
+ break;
case IEEE80211_S_CAC:
case IEEE80211_S_CSA:
- case IEEE80211_S_SLEEP:
printf ("URTWN UNKNOWN oSTATE: %d\n", ostate);
/* NNN what do we do in these states? XXX */
break;
@@ -1852,6 +1891,9 @@ urtwn_newstate(struct ieee80211vap *vap,
case IEEE80211_S_RUN:
if (ostate == IEEE80211_S_RUN)
break;
+ if (ostate == IEEE80211_S_SLEEP)
+ goto restart_calib;
+
ni = vap->iv_bss;
#if 0
@@ -1972,13 +2014,20 @@ urtwn_newstate(struct ieee80211vap *vap,
sc->thcal_state = 0;
sc->thcal_lctemp = 0;
+restart_calib:
+ /* Start periodic calibration. */
+ if (!usbwifi_isdying(&sc->sc_uw))
+ callout_schedule(&sc->sc_calib_to, hz);
+ break;
+ case IEEE80211_S_SLEEP:
+ if (ostate != IEEE80211_S_SLEEP)
+ power_control(sc, false);
/* Start periodic calibration. */
if (!usbwifi_isdying(&sc->sc_uw))
callout_schedule(&sc->sc_calib_to, hz);
break;
case IEEE80211_S_CAC:
case IEEE80211_S_CSA:
- case IEEE80211_S_SLEEP:
/* NNN what do we do in these states? XXX */
printf ("URTWN UNKNOWN nSTATE: %d\n", nstate);
break;
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